backend.php

   1 <?php
   2         error_reporting(E_ERROR | E_WARNING | E_PARSE);
   3
   4         require_once "sessions.php";
   5         require_once "modules/backend-rpc.php";
   6
   7 /*      if ($_GET["debug"]) {
   8                 define('DEFAULT_ERROR_LEVEL', E_ALL);
   9         } else {
  10                 define('DEFAULT_ERROR_LEVEL', E_ERROR | E_WARNING | E_PARSE);
  11         }
  12
  13         error_reporting(DEFAULT_ERROR_LEVEL); */
  14
  15         require_once "sanity_check.php";
  16         require_once "config.php";
  17
  18         require_once "db.php";
  19         require_once "db-prefs.php";
  20         require_once "functions.php";
  21
  22         no_cache_incantation();
  23         startup_gettext();
  24
  25         $script_started = getmicrotime();
  26
  27         $link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
  28
  29         if (!$link) {
  30                 if (DB_TYPE == "mysql") {
  31                         print mysql_error();
  32                 }
  33                 // PG seems to display its own errors just fine by default.
  34                 return;
  35         }
  36
  37         if (DB_TYPE == "pgsql") {
  38                 pg_query("set client_encoding = 'UTF-8'");
  39                 pg_set_client_encoding("UNICODE");
  40         }
  41
  42         $op = $_REQUEST["op"];
  43
  44         $print_exec_time = false;
  45
  46         if ((!$op || $op == "rpc" || $op == "rss" || $op == "view" ||
  47                         $op == "digestSend" || $op == "viewfeed" ||
  48                         $op == "globalUpdateFeeds") && !$_REQUEST["noxml"]) {
  49                 header("Content-Type: application/xml; charset=utf-8");
  50         } else {
  51                 header("Content-Type: text/html; charset=utf-8");
  52         }
  53
  54         if (!$op) {
  55                 header("Content-Type: application/xml");
  56                 print_error_xml(7); exit;
  57         }
  58
  59         if (!($_SESSION["uid"] && validate_session($link)) && $op != "globalUpdateFeeds"
  60                         && $op != "rss" && $op != "getUnread") {
  61
  62                 if ($op == "rpc") {
  63                         print_error_xml(6); die;
  64                 } else {
  65                         print "
  66                         <html><body>
  67                                 <p>Error: Not logged in.</p>
  68                                 <script type=\"text/javascript\">
  69                                         if (parent.window != 'undefined') {
  70                                                 parent.window.location = \"tt-rss.php\";
  71                                         } else {
  72                                                 window.location = \"tt-rss.php\";
  73                                         }
  74                                 </script>
  75                         </body></html>
  76                         ";
  77                 }
  78                 exit;
  79         }
  80
  81         $purge_intervals = array(
  82                 0  => __("Use default"),
  83                 -1 => __("Never purge"),
  84                 5  => __("1 week old"),
  85                 14 => __("2 weeks old"),
  86                 31 => __("1 month old"),
  87                 60 => __("2 months old"),
  88                 90 => __("3 months old"));
  89
  90         $update_intervals = array(
  91                 0   => __("Use default"),
  92                 -1  => __("Disable updates"),
  93                 30  => __("Each 30 minutes"),
  94                 60  => __("Hourly"),
  95                 240 => __("Each 4 hours"),
  96                 720 => __("Each 12 hours"),
  97                 1440 => __("Daily"),
  98                 10080 => __("Weekly"));
  99
 100
 101         $access_level_names = array(
 102                 0 => __("User"),
 103                 10 => __("Administrator"));
 104
 105         require_once "modules/pref-prefs.php";
 106         require_once "modules/popup-dialog.php";
 107         require_once "modules/help.php";
 108         require_once "modules/pref-feeds.php";
 109         require_once "modules/pref-filters.php";
 110         require_once "modules/pref-labels.php";
 111         require_once "modules/pref-users.php";
 112         require_once "modules/pref-feed-browser.php";
 113
 114
 115         if (!sanity_check($link)) { return; }
 116
 117         if ($op == "rpc") {
 118                 handle_rpc_request($link);
 119         }
 120
 121         if ($op == "feeds") {
 122
 123                 $tags = $_GET["tags"];
 124
 125                 $subop = $_GET["subop"];
 126
 127                 if ($subop == "catchupAll") {
 128                         db_query($link, "UPDATE ttrss_user_entries SET
 129                                 last_read = NOW(),unread = false WHERE owner_uid = " . $_SESSION["uid"]);
 130                 }
 131
 132                 if ($subop == "collapse") {
 133                         $cat_id = db_escape_string($_GET["cid"]);
 134
 135                         db_query($link, "UPDATE ttrss_feed_categories SET
 136                                 collapsed = NOT collapsed WHERE id = '$cat_id' AND owner_uid = " .
 137                                 $_SESSION["uid"]);
 138                         return;
 139                 }
 140
 141                 outputFeedList($link, $tags);
 142
 143         }
 144
 145         if ($op == "view") {
 146
 147                 $id = db_escape_string($_GET["id"]);
 148                 $feed_id = db_escape_string($_GET["feed"]);
 149                 $cids = split(",", db_escape_string($_GET["cids"]));
 150                 $mode = db_escape_string($_GET["mode"]);
 151                 $omode = db_escape_string($_GET["omode"]);
 152
 153                 print "<reply>";
 154
 155                 // in prefetch mode we only output requested cids, main article
 156                 // just gets marked as read (it already exists in client cache)
 157
 158                 if ($mode == "") {
 159                         outputArticleXML($link, $id, $feed_id);
 160                 } else {
 161                         catchupArticleById($link, $id, 0);
 162                 }
 163
 164                 foreach ($cids as $cid) {
 165                         if ($cid) {
 166                                 outputArticleXML($link, $cid, $feed_id, false);
 167                         }
 168                 }
 169
 170                 if ($mode != "prefetch_old") {
 171                         print "<counters>";
 172                         getAllCounters($link, $omode);
 173                         print "</counters>";
 174                 }
 175
 176                 print "</reply>";
 177         }
 178
 179         if ($op == "viewfeed") {
 180
 181                 print "<reply>";
 182
 183                 $omode = db_escape_string($_GET["omode"]);
 184
 185                 $feed = db_escape_string($_GET["feed"]);
 186                 $subop = db_escape_string($_GET["subop"]);
 187                 $view_mode = db_escape_string($_GET["view_mode"]);
 188                 $limit = db_escape_string($_GET["limit"]);
 189                 $cat_view = db_escape_string($_GET["cat"]);
 190                 $next_unread_feed = db_escape_string($_GET["nuf"]);
 191                 $offset = db_escape_string($_GET["skip"]);
 192
 193                 set_pref($link, "_DEFAULT_VIEW_MODE", $view_mode);
 194                 set_pref($link, "_DEFAULT_VIEW_LIMIT", $limit);
 195
 196                 print "<headlines id=\"$feed\"><![CDATA[";
 197
 198                 $topmost_article_ids = outputHeadlinesList($link, $feed, $subop,
 199                         $view_mode, $limit, $cat_view, $next_unread_feed, $offset);
 200
 201                 print "]]></headlines>";
 202
 203                 if (is_array($topmost_article_ids)) {
 204                         print "<articles>";
 205                         foreach ($topmost_article_ids as $id) {
 206                                 outputArticleXML($link, $id, $feed, false);
 207                         }
 208                         print "</articles>";
 209                 }
 210
 211                 print "<counters>";
 212                 getAllCounters($link, $omode);
 213                 print "</counters>";
 214
 215                 print "</reply>";
 216         }
 217
 218         if ($op == "pref-feeds") {
 219                 module_pref_feeds($link);
 220         }
 221
 222         if ($op == "pref-filters") {
 223                 module_pref_filters($link);
 224         }
 225
 226         if ($op == "pref-labels") {
 227                 module_pref_labels($link);
 228         }
 229
 230         if ($op == "pref-prefs") {
 231                 module_pref_prefs($link);
 232         }
 233
 234         if ($op == "pref-users") {
 235                 module_pref_users($link);
 236         }
 237
 238         if ($op == "help") {
 239                 module_help($link);
 240         }
 241
 242         if ($op == "dlg") {
 243                 module_popup_dialog($link);
 244         }
 245
 246         // update feeds of all users, may be used anonymously
 247         if ($op == "globalUpdateFeeds") {
 248
 249                 $result = db_query($link, "SELECT id FROM ttrss_users");
 250
 251                 while ($line = db_fetch_assoc($result)) {
 252                         $user_id = $line["id"];
 253 //                      print "<!-- updating feeds of uid $user_id -->";
 254                         update_all_feeds($link, false, $user_id);
 255                 }
 256
 257                 print "<rpc-reply>
 258                         <message msg=\"All feeds updated\"/>
 259                 </rpc-reply>";
 260
 261         }
 262
 263         if ($op == "user-details") {
 264
 265                 if (WEB_DEMO_MODE || $_SESSION["access_level"] < 10) {
 266                         return;
 267                 }
 268
 269 /*              print "<html><head>
 270                         <title>Tiny Tiny RSS : User Details</title>
 271                         <link rel=\"stylesheet\" href=\"tt-rss.css\" type=\"text/css\">
 272                         <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">
 273                         </head><body>"; */
 274
 275                 $uid = sprintf("%d", $_GET["id"]);
 276
 277                 print "<div id=\"infoBoxTitle\">User details</div>";
 278
 279                 print "<div class='infoBoxContents'>";
 280
 281                 $result = db_query($link, "SELECT login,
 282                         SUBSTRING(last_login,1,16) AS last_login,
 283                         access_level,
 284                         (SELECT COUNT(int_id) FROM ttrss_user_entries
 285                                 WHERE owner_uid = id) AS stored_articles
 286                         FROM ttrss_users
 287                         WHERE id = '$uid'");
 288
 289                 if (db_num_rows($result) == 0) {
 290                         print "<h1>User not found</h1>";
 291                         return;
 292                 }
 293
 294 #               print "<h1>User Details</h1>";
 295
 296                 $login = db_fetch_result($result, 0, "login");
 297
 298 #               print "<h1>$login</h1>";
 299
 300                 print "<table width='100%'>";
 301
 302                 $last_login = date(get_pref($link, 'LONG_DATE_FORMAT'),
 303                         strtotime(db_fetch_result($result, 0, "last_login")));
 304                 $access_level = db_fetch_result($result, 0, "access_level");
 305                 $stored_articles = db_fetch_result($result, 0, "stored_articles");
 306
 307 #               print "<tr><td>Username</td><td>$login</td></tr>";
 308 #               print "<tr><td>Access level</td><td>$access_level</td></tr>";
 309                 print "<tr><td>Last logged in</td><td>$last_login</td></tr>";
 310                 print "<tr><td>Stored articles</td><td>$stored_articles</td></tr>";
 311
 312                 $result = db_query($link, "SELECT COUNT(id) as num_feeds FROM ttrss_feeds
 313                         WHERE owner_uid = '$uid'");
 314
 315                 $num_feeds = db_fetch_result($result, 0, "num_feeds");
 316
 317                 print "<tr><td>Subscribed feeds count</td><td>$num_feeds</td></tr>";
 318
 319 /*              $result = db_query($link, "SELECT
 320                         SUM(LENGTH(content)+LENGTH(title)+LENGTH(link)+LENGTH(guid)) AS db_size
 321                         FROM ttrss_user_entries,ttrss_entries
 322                                 WHERE owner_uid = '$uid' AND ref_id = id");
 323
 324                 $db_size = round(db_fetch_result($result, 0, "db_size") / 1024);
 325
 326                 print "<tr><td>Approx. used DB size</td><td>$db_size KBytes</td></tr>";  */
 327
 328                 print "</table>";
 329
 330                 print "<h1>Subscribed feeds</h1>";
 331
 332                 $result = db_query($link, "SELECT id,title,site_url FROM ttrss_feeds
 333                         WHERE owner_uid = '$uid' ORDER BY title");
 334
 335                 print "<ul class=\"userFeedList\">";
 336
 337                 $row_class = "odd";
 338
 339                 while ($line = db_fetch_assoc($result)) {
 340
 341                         $icon_file = ICONS_URL."/".$line["id"].".ico";
 342
 343                         if (file_exists($icon_file) && filesize($icon_file) > 0) {
 344                                 $feed_icon = "<img class=\"tinyFeedIcon\" src=\"$icon_file\">";
 345                         } else {
 346                                 $feed_icon = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\">";
 347                         }
 348
 349                         print "<li class=\"$row_class\">$feed_icon&nbsp;<a href=\"".$line["site_url"]."\">".$line["title"]."</a></li>";
 350
 351                         $row_class = toggleEvenOdd($row_class);
 352
 353                 }
 354
 355                 if (db_num_rows($result) < $num_feeds) {
 356                          // FIXME - add link to show ALL subscribed feeds here somewhere
 357                         print "<li><img
 358                                 class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\">&nbsp;...</li>";
 359                 }
 360
 361                 print "</ul>";
 362
 363                 print "</div>";
 364
 365                 print "<div align='center'>
 366                         <input type='submit' class='button'
 367                         onclick=\"closeInfoBox()\" value=\"Close this window\"></div>";
 368
 369 //              print "</body></html>";
 370
 371         }
 372
 373         if ($op == "pref-feed-browser") {
 374                 module_pref_feed_browser($link);
 375         }
 376
 377         if ($op == "rss") {
 378                 $feed = db_escape_string($_GET["id"]);
 379                 $user = db_escape_string($_GET["user"]);
 380                 $pass = db_escape_string($_GET["pass"]);
 381                 $is_cat = $_GET["is_cat"] != false;
 382
 383                 $search = db_escape_string($_GET["q"]);
 384                 $match_on = db_escape_string($_GET["m"]);
 385                 $search_mode = db_escape_string($_GET["smode"]);
 386
 387                 if (!$_SESSION["uid"] && $user && $pass) {
 388                         authenticate_user($link, $user, $pass);
 389                 }
 390
 391                 if ($_SESSION["uid"] ||
 392                         http_authenticate_user($link)) {
 393
 394                                 generate_syndicated_feed($link, $feed, $is_cat,
 395                                         $search, $search_mode, $match_on);
 396                 }
 397         }
 398
 399         if ($op == "labelFromSearch") {
 400                 $search = db_escape_string($_GET["search"]);
 401                 $search_mode = db_escape_string($_GET["smode"]);
 402                 $match_on = db_escape_string($_GET["match"]);
 403                 $is_cat = db_escape_string($_GET["is_cat"]);
 404                 $title = db_escape_string($_GET["title"]);
 405                 $feed = sprintf("%d", $_GET["feed"]);
 406
 407                 $label_qparts = array();
 408
 409                 $search_expr = getSearchSql($search, $match_on);
 410
 411                 if ($is_cat) {
 412                         if ($feed != 0) {
 413                                 $search_expr .= " AND ttrss_feeds.cat_id = $feed ";
 414                         } else {
 415                                 $search_expr .= " AND ttrss_feeds.cat_id IS NULL ";
 416                         }
 417                 } else {
 418                         if ($search_mode == "all_feeds") {
 419                                 // NOOP
 420                         } else if ($search_mode == "this_cat") {
 421
 422                                 $tmp_result = db_query($link, "SELECT cat_id
 423                                         FROM ttrss_feeds WHERE id = '$feed'");
 424
 425                                 $cat_id = db_fetch_result($tmp_result, 0, "cat_id");
 426
 427                                 if ($cat_id > 0) {
 428                                         $search_expr .= " AND ttrss_feeds.cat_id = $cat_id ";
 429                                 } else {
 430                                         $search_expr .= " AND ttrss_feeds.cat_id IS NULL ";
 431                                 }
 432                         } else {
 433                                 $search_expr .= " AND ttrss_feeds.id = $feed ";
 434                         }
 435
 436                 }
 437
 438                 $search_expr = db_escape_string($search_expr);
 439
 440                 print $search_expr;
 441
 442                 if ($title) {
 443                         $result = db_query($link,
 444                                 "INSERT INTO ttrss_labels (sql_exp,description,owner_uid)
 445                                 VALUES ('$search_expr', '$title', '".$_SESSION["uid"]."')");
 446                 }
 447         }
 448
 449         if ($op == "getUnread") {
 450                 $login = db_escape_string($_GET["login"]);
 451
 452                 header("Content-Type: text/plain; charset=utf-8");
 453
 454                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE login = '$login'");
 455
 456                 if (db_num_rows($result) == 1) {
 457                         $uid = db_fetch_result($result, 0, "id");
 458                         print getGlobalUnread($link, $uid);
 459                 } else {
 460                         print "-1;User not found";
 461                 }
 462
 463                 $print_exec_time = false;
 464         }
 465
 466         if ($op == "digestTest") {
 467                 header("Content-Type: text/plain");
 468                 print_r(prepare_headlines_digest($link, $_SESSION["uid"]));
 469                 $print_exec_time = false;
 470
 471         }
 472
 473         if ($op == "digestSend") {
 474                 header("Content-Type: text/plain");
 475                 send_headlines_digests($link);
 476                 $print_exec_time = false;
 477
 478         }
 479
 480         db_close($link);
 481 ?>
 482
 483 <?php if ($print_exec_time) { ?>
 484 <!-- <?php echo sprintf("Backend execution time: %.4f seconds", getmicrotime() - $script_started) ?> -->
 485 <?php } ?>